78870825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2897}}^1$

素因数の和:2935

約数の個数: 54

約数和(自身を含む): 155329902

約数和(自身を除く): 76459077

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 495, 605, 825, 1089, 1815, 2475, 2897, 3025, 5445, 8691, 9075, 14485, 26073, 27225, 31867, 43455, 72425, 95601, 130365, 159335, 217275, 286803, 350537, 478005, 651825, 796675, 1051611, 1434015, 1752685, 2390025, 3154833, 5258055, 7170075, 8763425, 15774165, 26290275, 78870825]

約数ペア:

[(1, 78870825), (3, 26290275), (5, 15774165), (9, 8763425), (11, 7170075), (15, 5258055), (25, 3154833), (33, 2390025), (45, 1752685), (55, 1434015), (75, 1051611), (99, 796675), (121, 651825), (165, 478005), (225, 350537), (275, 286803), (363, 217275), (495, 159335), (605, 130365), (825, 95601), (1089, 72425), (1815, 43455), (2475, 31867), (2897, 27225), (3025, 26073), (5445, 14485), (8691, 9075)]